package com.mav.mapper;

import com.mav.pojo.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {
    @Select("select id, name, create_time, update_time from dept order by update_time desc ")
    public List<Dept> findAll();

    @Delete("delete from dept where id= #{id}")
    void deleteById(Integer id);

    @Insert("insert into dept( name, create_time, update_time) values (#{name},#{createTime},#{updateTime})" )
    void insert(Dept dept);

    @Select("select id, name, create_time, update_time from dept where id=#{id}")
    Dept getInfo(Integer id);

    @Update("update dept set name=#{name},update_time=#{updateTime} where id=#{id}")
    void update(Dept dept);
    @Select("select count(*) from emp,dept where emp.dept_id=dept.id and dept.id=#{id}")
    Long findEmp(Integer id);
}
